<template>
  <el-card class="box-card">
    <div slot="header" class="clearfix">
      <span>重置密码</span>
    </div>
    <!-- 表单 -->
    <el-form :model="pwdForm" :rules="pwdFormRules" ref="pwdFormRef" label-width="100px">
      <el-form-item label="原密码" prop="old_pwd">
        <el-input v-model="pwdForm.old_pwd" type="password"></el-input>
      </el-form-item>
      <el-form-item label="新密码" prop="new_pwd">
        <el-input v-model="pwdForm.new_pwd" type="password"></el-input>
      </el-form-item>
      <el-form-item label="确认新密码" prop="re_pwd">
        <el-input v-model="pwdForm.re_pwd" type="password"></el-input>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="updatePwdFn">修改密码</el-button>
        <el-button @click="resetFn">重置</el-button>
      </el-form-item>
    </el-form>
  </el-card>
</template>

<script>
import {updatePwdAPI} from "@/api"
export default {
  name: 'UserPwd',
  methods:{
    updatePwdFn(){
      //js兜底检验
      this.$refs.pwdFormRef.validate(async valid=>{
          if(!valid){
            return false //未通过检验拦住
          }
          const {data:res}=await updatePwdAPI(this.pwdForm)
          if(res.code!==0){
            //更新密码失败
            return this.$message.Error("旧密码不正确")
          }else{
            this.$message.success("更新密码成功")
            //清楚vuex中的数据并跳回登陆页面
            this.$store.commit("updateToken","")
            this.$store.commit("updateUserInfo",{})
            this.$router.push("/login")
          }
      })
    },
    resetFn(){
      this.$refs.pwdFormRef.resetFields()
    }
  },
  data () {
    //新密码与旧密码必须不同
    const samePwd =(rules,value,callback)=>{
      if(value===this.pwdForm.old_pwd){
        return callback(new Error("新旧密码必须不同"))
      }else{
        callback()
      }
    }
    //新密码与确认密码必须相同
    const rePwd= (rules,value,callback)=>{
      if(value!==this.pwdForm.new_pwd){
        return callback(new Error("两次密码不一致"))
      }else{
        callback()
      }
    }

    return {
      // 表单的数据对象
      pwdForm: {
        old_pwd: '',
        new_pwd: '',
        re_pwd: ''
      },
      // 表单的验证规则对象
      pwdFormRules: {
        old_pwd: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { pattern: /^\S{6,15}$/, message: '密码长度必须是6-15位的非空字符串', trigger: 'blur' }
        ],
        new_pwd: [
          { required: true, message: '请输入新密码', trigger: 'blur' },
          { pattern: /^\S{6,15}$/, message: '密码长度必须是6-15位的非空字符串', trigger: 'blur' },
          {validator:samePwd,trigger:"blur"}
        ],
        re_pwd: [
          { required: true, message: '请再次确认新密码', trigger: 'blur' },
          { pattern: /^\S{6,15}$/, message: '密码长度必须是6-15位的非空字符串', trigger: 'blur' },
          {validator:rePwd,trigger:"blur"}
        ]
      }
    }
  }
}
</script>

<style lang="less" scoped>
.el-form {
  width: 500px;
}
</style>
